Roller Chain Sprocket; 28B-1 Chain; 57 Teeth; 1 Row of Teeth; No Hardened Teeth; 832.333MM Outside Diameter; 806.89MM Pitch Diameter; C-Hub Both Sides; Rough Bore Mount; No Bushing; 44.45MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 40 Chain; 57 Teeth; 1 Row of Teeth; No Hardened Teeth; 9.362" Outside Diameter; 9.077" Pitch Diameter; A-No Hub; Rough Bore Mount; No Bushing; 1/2" Chain Pitch; ANSI Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 16B-2 Chain; 57 Teeth; 2 Row of Teeth; Hardened Teeth; 475.615MM Outside Diameter; 461.08MM Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 25.4MM Chain Pitch; ISO Roller Chain; No Keyway; Steel Material

Roller Chain Sprocket; 160 Chain; 57 Teeth; 1 Row of Teeth; Hardened Teeth; A-No Hub; Rough Bore Mount; No Bushing; 2" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material

Roller Chain Sprocket; 80 Chain; 57 Teeth; 1 Row of Teeth; Hardened Teeth; 18.725" Outside Diameter; 18.153" Pitch Diameter; B-Hub One Side; Rough Bore Mount; No Bushing; 1" Chain Pitch; ANSI Roller Chain; No Keyway; Carbon Steel Material